Home
Job Track

For 24-HOUR EMERGENCY SERVICE: 

(610) 312-8100 or (877) 312-8100

Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
Home
Home
Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
loading content
GARVIN® KOS-250 Electric Box Mounting Accessories
Documents
Line Drawing
Warranty Information
Southwire CompanyGARVIN®

GARVIN® KOS-250 1-Piece Bar/Screw Knockout Seal, For Use With Open Knockout Box, 2-1/2 in, Steel

Sku #78559210320

MFG #KOS-250

Attributes

Type:1-Piece Bar/Screw
Specifications:2-1/2 in
Finish:Hot Dipped Galvanized/Zinc Plated
Suitable For Use With:Open Knockout Box
Material:Steel
Dimensions:3.76 in OD
Documents
Line Drawing
Warranty Information
GARVIN®GARVIN® KOS-250 1-Piece Bar/Screw Knockout Seal, For Use With Open Knockout Box, 2-1/2 in, Steel
SKU #78559210320
MFG #KOS-250
Please Log In or Register to view pricing.

Keep up to date with the latest products, special offers and news.

Colonial Electric Supply and it's divisions is a product supplier only. We do not serve as project engineers. Rather, we work with project engineers towards their design goals. We expect customers to obtain and use products in accordance with the manufacturer's intended use. We are not responsible for product malfunction due to misuse, with the exception of replacement per stated warranty conditions.

For 24-HR EMERGENCY SERVICE please call:

(610) 312-8100 or (877) 312-8100

Resources

LED CatalogSchneider EZ Selector ToolTerms & ConditionsPrivacy Policy

Company

About UsCareersCharity & CommunityCoStars

Support

Contact UsLocationsReturns Policy

Divisions

Colonial TelTekColonial Major ProjectsBright Light Annapolis Lighting
© 2026 Colonial Electric Supply. All Rights Reserved.